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61 lines
2.1 KiB

The patch originally submitted corrected behaviour on s390 and s390x.
The i686 change was added in order to maintain parity.
Author: Stefan Liebler <stli@linux.vnet.ibm.com>
Index: b/sysdeps/unix/sysv/linux/s390/s390-32/socket.S
===================================================================
--- a/sysdeps/unix/sysv/linux/s390/s390-32/socket.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/socket.S
@@ -99,8 +99,8 @@ ENTRY(__socket)
l %r15,0(0,%r15) /* load back chain */
lm %r6,15,24(%r15) /* load registers */
- /* gpr2 is < 0 if there was an error. */
- lhi %r0,-125
+ /* gpr2 is in [-4095, -1] if there was an error. */
+ lhi %r0,-4095
clr %r2,%r0
jnl SYSCALL_ERROR_LABEL
Index: b/sysdeps/unix/sysv/linux/s390/s390-64/socket.S
===================================================================
--- a/sysdeps/unix/sysv/linux/s390/s390-64/socket.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/socket.S
@@ -99,8 +99,8 @@ ENTRY(__socket)
lg %r15,0(%r15) /* Load back chain. */
lmg %r6,15,48(%r15) /* Load registers. */
- /* gpr2 is < 0 if there was an error. */
- lghi %r0,-125
+ /* gpr2 is in [-4095, -1] if there was an error. */
+ lghi %r0,-4095
clgr %r2,%r0
jgnl SYSCALL_ERROR_LABEL
Index: b/sysdeps/unix/sysv/linux/i386/socket.S
===================================================================
--- a/sysdeps/unix/sysv/linux/i386/socket.S
+++ b/sysdeps/unix/sysv/linux/i386/socket.S
@@ -63,8 +63,8 @@ ENTRY (__socket)
movl %edx, %ebx
cfi_restore (3)
- /* %eax is < 0 if there was an error. */
- cmpl $-125, %eax
+ /* %eax is in [-4095, -1] if there was an error. */
+ cmpl $-4095, %eax
jae SYSCALL_ERROR_LABEL
/* Successful; return the syscall's value. */
@@ -108,8 +108,8 @@ ENTRY (__socket)
cfi_restore (6)
cfi_adjust_cfa_offset(-4)
- /* %eax is < 0 if there was an error. */
- cmpl $-125, %eax
+ /* %eax is in [-4095, -1] if there was an error. */
+ cmpl $-4095, %eax
jae SYSCALL_ERROR_LABEL
/* Successful; return the syscall's value. */